20509+1544 BPM 2282

20^h 50^m 51.05^s +15° 43' 36.5" P.A. 160.00 sep 54.6 mag 14.27,15.50

Coord 2000	20509+1544	Discov num	BPM2282	Comp		Coord arcsec 2000	20 50 51.05 +15 43 36.5
Date first	1993	Date last	2015	Obs	8
Pa first	160	Pa last	160.3	P.A. Now (θ)	160.3°
Sep first	54.4	Sep last	54.624	Sep. Now (ρ)	54.624"
Mag pri	14.27	Mag sec	15.50	delta mag (ΔM)	1.23	Spectral class
Pri motion ra	-014	Sec motion ra	-019
Pri motion dec	-020	Sec motion dec	-027
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.261 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Gaia DR2

1762822807855022720

WDS 20509+1544 BPM 2282 : NOTES

discov_num	notes	refcode
BPM2282	[PM2000] 2405705 + [PM2000] 2405767.	Gvr2010

REFERENCES

refcode	metd	author	reference
Gvr2010	Pa -	Gavras, P. Sinachopoulos, D., Le Campion, J.F., & Cucourant, C.	2010A&A...521A 4G
Gvr2010	+T	A&A 521, A4, 2010
Gvr2010		(Note: mean measures from AC2000.2, CdC2000, USNO-A2.0, Yellow Sky, and M2000
Gvr2010		catalogs, spanning years ~1900-2000)

DISCOVERER

idgroup	discov	author
1	BPM	Bordeaux PM2000 catalogue (main catalog: separation < 2')

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20509+1544	BPM2282		2000	2	161	54.5	14.46	15.85		NV	205051.05+154336.5
20509+1544	BPM2282		2001	3	161	54.7	14.46	15.85		NV	205051.05+154336.5
20509+1544	BPM2282		2010	4	161	54.1	14.27	15.50		NV	205051.05+154336.5
20509+1544	BPM2282		2015	5	160	54.6	14.27	15.50		NV	205051.05+154336.5

If you need more information about this double, apply for a data request form to the WDS.

WDS 20509+1544 BPM 2282 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20509+1544 BPM 2282 : MEASURES

No records found.

WDS 20509+1544 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 20509+1544 : ALADIN DSS IMAGE @ 20^h 50^m 51.05^s +15° 43' 36.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20509+1544 BPM 2282 : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20509+1544	BPM2282		160	54.6
Show		20518+1545	GWP3007		163	8.1	14
Show		20501+1556	BPM2278		296	68.3	17
Show		20506+1601	BPM2281		268	35.3	19
Show		20509+1517	J 3113		111	4.8	24
Show		20489+1558	BPM2275		143	74.7	32
Show		20527+1528	HJ 1585		195	14.3	32
Show		20505+1616	KPP4216		237	1.6	33
Show		20485+1545	BPM2272		333	103.7	34
Show		20514+1619	BPM2283		243	38.1	37
Show		20481+1601	BPM2269		222	81.9	44
Show		20504+1459	BPM2280		131	60.8	46
Show		20503+1630	LDS1048	AB	151	13.7	49
Show		20503+1630	LDS1048	AC	213	1.6	49
Show		20481+1616	SKF1770		223	3.4	52
Show		20477+1519	BPM2266		294	106.0	52
Show		20485+1628	BPM2271		127	97.8	57
Show		20542+1619	BPM2289		75	96.0	60
Show		20468+1602	BPM2264		222	107.2	62
Show		20485+1448	J 1890		141	6.8	63
Show		20467+1523	BPM2263		265	53.6	63
Show		20513+1647	J 3115		321	7.1	63
Show		20485+1450	BRT1349		46	2.7	64
Show		20466+1532	J 3110		222	6.9	65
Show		20467+1607	STF2727	AB	266	8.8	66
Show		20467+1607	FYM 18	AD	323	109.4	66
Show		20503+1649	TDT2571		258	0.8	66
Show		20462+1554	WSI 110	Aa,Ab	343	0.0	68
Show		20462+1554	STF2725	AB	12	6.2	68
Show		20538+1451	BPM2287		315	51.9	68
Show		20466+1616	BPM2261		202	69.5	69
Show		20483+1444	LSC 93		142	0.2	71
Show		20462+1520	YR 27	AB	240	0.9	72
Show		20515+1432	GRV 388		239	51.4	72
Show		20500+1432	CVR 874		82	16.7	74
Show		20457+1537	BPM2255		85	72.3	75
Show		20522+1656	J 3116	AB	39	73.3	76
Show		20522+1656	J 3116	BC	143	6.0	77
Show		20463+1624	BPM2257		337	107.8	78
Show		20508+1702	CVR 875		72	20.3	79
Show		20500+1702	UC 4303		81	18.2	80
Show		20495+1426	BRT1955		109	5.0	80
Show		20520+1422	BRT1956		197	6.4	83
Show		20501+1707	HEI 183		25	0.5	84
Show		20548+1642	ROE 126		138	9.7	85
Show		20477+1430	TDT2542		76	0.5	87
Show		20539+1700	BPM2288		339	115.1	88
Show		20554+1442	BPM2296		243	70.1	90
Show		20465+1439	BPM2259		296	106.3	90
Show		20448+1512	BPM2253		241	75.8	93
Show		20529+1415	GAI9015	AB	277	1.3	94

WDS 20509+1544 : COMPONENTS

	A
B	pa=161.0° sep=54.40"

20509+1544 A

Componente originario normalizzato	AB		Coord arcsec 2000	205051.05+154336.5		Mag	14.27		PmRA	-14.00
PmDE	-20.0

20509+1544 B

Componente originario normalizzato	AB		Coord arcsec 2000	205052.28+154245.1		Mag	15.5		PmRA	-19.00
PmDE	-27.0		Calc delta mag	1.23		Calc coord	yes